Beausoleil Island, the largest of the park's islands, offers 9 different campgrounds scattered along the eastern and northern shores. Access to the campgrounds is by boat only. If you don't have a boat, see the How to Get There section.

Island camping offers a unique experience comprised of tent-camping only (no trailers or RV's). Campers have the option of 'roughing it' by staying in a primitive campground, or enjoying the comforts of a more serviced offering of flush toilets, showers and drinking water available at Cedar Spring Campground. Cabins are available for rent in both the Cedar Spring area and at Christian Beach.

There is a total of 103 campsites and 10 rustic cabins on Beausoleil Island. Cedar Spring Campground has 45 sites,6 rustic cabins, 5 oTENTiks and 2 Island Safari Tents available by reservation. The remaining campsites are available on a first-come, first-served basis. Accessible camping is available at Cedar Spring Campground.

The sites at Cedar Spring campground have been renumbered for 2016. Return visitors booking a specific site should confirm the new site number.